Finding the Third Proportional to 782,408 and 1,668,163
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Solution
The third proportional to 782,408 and 1,668,163 is: 3,556,670.94
Step by Step Solution
- Step 1: Write the proportion equation
782,408 : 1,668,163 = 1,668,163 : x - Step 2: Convert to fraction form
782,408/1,668,163 = 1,668,163/x - Step 3: Cross multiply
782,408x = 1,668,163 × 1,668,163 - Step 4: Simplify right side
782,408x = 2,782,767,794,569 - Step 5: Solve for x
x = 2,782,767,794,569/782,408 - Step 6: Final answer
x = 3,556,670.94
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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.